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454 lines
12 KiB
454 lines
12 KiB
/*
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* Copyright © 2012 Openismus GmbH
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* Copyright © 2012 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdlib.h>
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#include "compositor.h"
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#include "text-server-protocol.h"
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#include "input-method-server-protocol.h"
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struct input_method;
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struct input_method_context;
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struct text_model {
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struct wl_resource resource;
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struct weston_compositor *ec;
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struct wl_list input_methods;
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struct wl_surface *surface;
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};
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struct text_model_factory {
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struct wl_global *text_model_factory_global;
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struct wl_listener destroy_listener;
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struct weston_compositor *ec;
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};
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struct input_method {
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struct wl_resource *input_method_binding;
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struct wl_global *input_method_global;
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struct wl_listener destroy_listener;
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struct weston_seat *seat;
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struct text_model *model;
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struct wl_list link;
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struct wl_listener keyboard_focus_listener;
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int focus_listener_initialized;
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struct input_method_context *context;
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};
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struct input_method_context {
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struct wl_resource resource;
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struct text_model *model;
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struct wl_list link;
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};
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static void input_method_context_create(struct text_model *model,
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struct input_method *input_method);
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static void input_method_init_seat(struct weston_seat *seat);
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static void
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deactivate_text_model(struct text_model *text_model,
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struct input_method *input_method)
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{
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struct weston_compositor *ec = text_model->ec;
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if (input_method->model == text_model) {
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if (input_method->input_method_binding)
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input_method_send_deactivate(input_method->input_method_binding, &input_method->context->resource);
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wl_list_remove(&input_method->link);
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input_method->model = NULL;
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input_method->context = NULL;
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wl_signal_emit(&ec->hide_input_panel_signal, ec);
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text_model_send_deactivated(&text_model->resource);
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}
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}
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static void
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destroy_text_model(struct wl_resource *resource)
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{
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struct text_model *text_model =
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container_of(resource, struct text_model, resource);
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struct input_method *input_method, *next;
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wl_list_for_each_safe(input_method, next, &text_model->input_methods, link)
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deactivate_text_model(text_model, input_method);
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free(text_model);
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}
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static void
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text_model_set_surrounding_text(struct wl_client *client,
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struct wl_resource *resource,
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const char *text,
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uint32_t cursor,
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uint32_t anchor)
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{
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struct text_model *text_model = resource->data;
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struct input_method *input_method, *next;
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wl_list_for_each_safe(input_method, next, &text_model->input_methods, link) {
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if (!input_method->context)
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continue;
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input_method_context_send_surrounding_text(&input_method->context->resource,
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text,
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cursor,
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anchor);
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}
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}
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static void
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text_model_activate(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *seat,
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struct wl_resource *surface)
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{
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struct text_model *text_model = resource->data;
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struct weston_seat *weston_seat = seat->data;
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struct input_method *input_method = weston_seat->input_method;
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struct text_model *old = weston_seat->input_method->model;
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struct weston_compositor *ec = text_model->ec;
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if (old == text_model)
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return;
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if (old) {
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deactivate_text_model(old,
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weston_seat->input_method);
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}
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input_method->model = text_model;
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wl_list_insert(&text_model->input_methods, &input_method->link);
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input_method_init_seat(weston_seat);
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text_model->surface = surface->data;
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input_method_context_create(text_model, input_method);
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wl_signal_emit(&ec->show_input_panel_signal, ec);
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text_model_send_activated(&text_model->resource);
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}
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static void
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text_model_deactivate(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *seat)
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{
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struct text_model *text_model = resource->data;
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struct weston_seat *weston_seat = seat->data;
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deactivate_text_model(text_model,
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weston_seat->input_method);
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}
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static void
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text_model_set_micro_focus(struct wl_client *client,
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struct wl_resource *resource,
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int32_t x,
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int32_t y,
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int32_t width,
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int32_t height)
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{
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}
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static void
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text_model_set_preedit(struct wl_client *client,
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struct wl_resource *resource)
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{
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}
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static void
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text_model_set_content_type(struct wl_client *client,
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struct wl_resource *resource)
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{
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}
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static const struct text_model_interface text_model_implementation = {
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text_model_set_surrounding_text,
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text_model_activate,
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text_model_deactivate,
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text_model_set_micro_focus,
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text_model_set_preedit,
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text_model_set_content_type
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};
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static void text_model_factory_create_text_model(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id)
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{
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struct text_model_factory *text_model_factory = resource->data;
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struct text_model *text_model;
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text_model = calloc(1, sizeof *text_model);
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text_model->resource.object.id = id;
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text_model->resource.object.interface = &text_model_interface;
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text_model->resource.object.implementation =
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(void (**)(void)) &text_model_implementation;
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text_model->resource.data = text_model;
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text_model->resource.destroy = destroy_text_model;
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text_model->ec = text_model_factory->ec;
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wl_list_init(&text_model->input_methods);
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wl_client_add_resource(client, &text_model->resource);
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};
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static const struct text_model_factory_interface text_model_factory_implementation = {
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text_model_factory_create_text_model
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};
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static void
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bind_text_model_factory(struct wl_client *client,
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void *data,
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uint32_t version,
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uint32_t id)
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{
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struct text_model_factory *text_model_factory = data;
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/* No checking for duplicate binding necessary.
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* No events have to be sent, so we don't need the return value. */
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wl_client_add_object(client, &text_model_factory_interface,
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&text_model_factory_implementation,
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id, text_model_factory);
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}
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static void
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text_model_factory_notifier_destroy(struct wl_listener *listener, void *data)
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{
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struct text_model_factory *text_model_factory =
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container_of(listener, struct text_model_factory, destroy_listener);
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wl_display_remove_global(text_model_factory->ec->wl_display,
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text_model_factory->text_model_factory_global);
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free(text_model_factory);
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}
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WL_EXPORT void
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text_model_factory_create(struct weston_compositor *ec)
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{
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struct text_model_factory *text_model_factory;
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text_model_factory = calloc(1, sizeof *text_model_factory);
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text_model_factory->ec = ec;
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text_model_factory->text_model_factory_global =
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wl_display_add_global(ec->wl_display,
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&text_model_factory_interface,
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text_model_factory, bind_text_model_factory);
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text_model_factory->destroy_listener.notify = text_model_factory_notifier_destroy;
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wl_signal_add(&ec->destroy_signal, &text_model_factory->destroy_listener);
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}
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static void
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input_method_context_destroy(struct wl_client *client,
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struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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static void
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input_method_context_commit_string(struct wl_client *client,
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struct wl_resource *resource,
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const char *text,
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uint32_t index)
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{
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struct input_method_context *context = resource->data;
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text_model_send_commit_string(&context->model->resource, text, index);
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}
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static void
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input_method_context_preedit_string(struct wl_client *client,
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struct wl_resource *resource,
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const char *text,
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uint32_t index)
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{
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struct input_method_context *context = resource->data;
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text_model_send_preedit_string(&context->model->resource, text, index);
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}
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static const struct input_method_context_interface input_method_context_implementation = {
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input_method_context_destroy,
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input_method_context_commit_string,
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input_method_context_preedit_string,
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};
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static void
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destroy_input_method_context(struct wl_resource *resource)
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{
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struct input_method_context *context = resource->data;
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free(context);
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}
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static void
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input_method_context_create(struct text_model *model,
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struct input_method *input_method)
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{
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struct input_method_context *context;
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if (!input_method->input_method_binding)
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return;
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context = malloc(sizeof *context);
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if (context == NULL)
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return;
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context->resource.destroy = destroy_input_method_context;
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context->resource.object.id = 0;
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context->resource.object.interface = &input_method_context_interface;
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context->resource.object.implementation =
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(void (**)(void)) &input_method_context_implementation;
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context->resource.data = context;
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wl_signal_init(&context->resource.destroy_signal);
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context->model = model;
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input_method->context = context;
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wl_client_add_resource(input_method->input_method_binding->client, &context->resource);
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input_method_send_activate(input_method->input_method_binding, &context->resource);
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}
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static void
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unbind_input_method(struct wl_resource *resource)
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{
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struct input_method *input_method = resource->data;
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input_method->input_method_binding = NULL;
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input_method->context = NULL;
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free(resource);
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}
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static void
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bind_input_method(struct wl_client *client,
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void *data,
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uint32_t version,
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uint32_t id)
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{
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struct input_method *input_method = data;
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struct wl_resource *resource;
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resource = wl_client_add_object(client, &input_method_interface,
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NULL,
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id, input_method);
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if (input_method->input_method_binding == NULL) {
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resource->destroy = unbind_input_method;
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input_method->input_method_binding = resource;
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return;
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}
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wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
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"interface object already bound");
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wl_resource_destroy(resource);
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}
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static void
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input_method_notifier_destroy(struct wl_listener *listener, void *data)
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{
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struct input_method *input_method =
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container_of(listener, struct input_method, destroy_listener);
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if (input_method->model)
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deactivate_text_model(input_method->model, input_method);
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wl_display_remove_global(input_method->seat->compositor->wl_display,
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input_method->input_method_global);
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free(input_method);
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}
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static void
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handle_keyboard_focus(struct wl_listener *listener, void *data)
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{
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struct wl_keyboard *keyboard = data;
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struct input_method *input_method =
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container_of(listener, struct input_method, keyboard_focus_listener);
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struct wl_surface *surface = keyboard->focus;
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if (!input_method->model)
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return;
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if (!surface || input_method->model->surface != surface)
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deactivate_text_model(input_method->model,
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input_method);
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}
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static void
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input_method_init_seat(struct weston_seat *seat)
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{
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if (seat->input_method->focus_listener_initialized)
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return;
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if (seat->has_keyboard) {
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seat->input_method->keyboard_focus_listener.notify = handle_keyboard_focus;
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wl_signal_add(&seat->seat.keyboard->focus_signal, &seat->input_method->keyboard_focus_listener);
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}
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seat->input_method->focus_listener_initialized = 1;
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}
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WL_EXPORT void
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input_method_create(struct weston_compositor *ec,
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struct weston_seat *seat)
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{
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struct input_method *input_method;
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input_method = calloc(1, sizeof *input_method);
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input_method->seat = seat;
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input_method->model = NULL;
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input_method->focus_listener_initialized = 0;
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input_method->context = NULL;
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input_method->input_method_global =
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wl_display_add_global(ec->wl_display,
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&input_method_interface,
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input_method, bind_input_method);
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input_method->destroy_listener.notify = input_method_notifier_destroy;
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wl_signal_add(&seat->seat.destroy_signal, &input_method->destroy_listener);
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seat->input_method = input_method;
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}
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